Home / 107,153.34-147,875.12-59,411.13

Finding the Fourth Proportional to 107,153.34, 147,875.12 and 59,411.13

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Solution

The fourth proportional to 107,153.34, 147,875.12 and 59,411.13 is: 81,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,153.34 : 147,875.12 = 59,411.13 : x
  2. Step 2: Convert to fraction form
    107,153.34/147,875.12 = 59,411.13/x
  3. Step 3: Cross multiply
    107,153.34x = 147,875.12 × 59,411.13
  4. Step 4: Simplify right side
    107,153.34x = 8,785,427,681.03
  5. Step 5: Solve for x
    x = 8,785,427,681.03/107,153.34
  6. Step 6: Final answer
    x = 81,989.30

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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.