Home / 163,323.24-243,992.61-103,681.32

Finding the Fourth Proportional to 163,323.24, 243,992.61 and 103,681.32

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Solution

The fourth proportional to 163,323.24, 243,992.61 and 103,681.32 is: 154,892.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,323.24 : 243,992.61 = 103,681.32 : x
  2. Step 2: Convert to fraction form
    163,323.24/243,992.61 = 103,681.32/x
  3. Step 3: Cross multiply
    163,323.24x = 243,992.61 × 103,681.32
  4. Step 4: Simplify right side
    163,323.24x = 25,297,475,875.05
  5. Step 5: Solve for x
    x = 25,297,475,875.05/163,323.24
  6. Step 6: Final answer
    x = 154,892.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.