Home / 124,718.17-187,123.73-74,834.07

Finding the Fourth Proportional to 124,718.17, 187,123.73 and 74,834.07

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Solution

The fourth proportional to 124,718.17, 187,123.73 and 74,834.07 is: 112,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,718.17 : 187,123.73 = 74,834.07 : x
  2. Step 2: Convert to fraction form
    124,718.17/187,123.73 = 74,834.07/x
  3. Step 3: Cross multiply
    124,718.17x = 187,123.73 × 74,834.07
  4. Step 4: Simplify right side
    124,718.17x = 14,003,228,999.69
  5. Step 5: Solve for x
    x = 14,003,228,999.69/124,718.17
  6. Step 6: Final answer
    x = 112,278.98

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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.