Home / 112,050.61-154,693.13-74,376.37

Finding the Fourth Proportional to 112,050.61, 154,693.13 and 74,376.37

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Solution

The fourth proportional to 112,050.61, 154,693.13 and 74,376.37 is: 102,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,050.61 : 154,693.13 = 74,376.37 : x
  2. Step 2: Convert to fraction form
    112,050.61/154,693.13 = 74,376.37/x
  3. Step 3: Cross multiply
    112,050.61x = 154,693.13 × 74,376.37
  4. Step 4: Simplify right side
    112,050.61x = 11,505,513,473.34
  5. Step 5: Solve for x
    x = 11,505,513,473.34/112,050.61
  6. Step 6: Final answer
    x = 102,681.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.