Home / 163,068.04-245,068.62-80,020.36

Finding the Fourth Proportional to 163,068.04, 245,068.62 and 80,020.36

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Solution

The fourth proportional to 163,068.04, 245,068.62 and 80,020.36 is: 120,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,068.04 : 245,068.62 = 80,020.36 : x
  2. Step 2: Convert to fraction form
    163,068.04/245,068.62 = 80,020.36/x
  3. Step 3: Cross multiply
    163,068.04x = 245,068.62 × 80,020.36
  4. Step 4: Simplify right side
    163,068.04x = 19,610,479,197.10
  5. Step 5: Solve for x
    x = 19,610,479,197.10/163,068.04
  6. Step 6: Final answer
    x = 120,259.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.