Home / 129,437.50-193,875.81-62,738.10

Finding the Fourth Proportional to 129,437.50, 193,875.81 and 62,738.10

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Solution

The fourth proportional to 129,437.50, 193,875.81 and 62,738.10 is: 93,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,437.50 : 193,875.81 = 62,738.10 : x
  2. Step 2: Convert to fraction form
    129,437.50/193,875.81 = 62,738.10/x
  3. Step 3: Cross multiply
    129,437.50x = 193,875.81 × 62,738.10
  4. Step 4: Simplify right side
    129,437.50x = 12,163,398,985.98
  5. Step 5: Solve for x
    x = 12,163,398,985.98/129,437.50
  6. Step 6: Final answer
    x = 93,971.21

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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.