Home / 226,531.80-312,607.23-124,557.15

Finding the Fourth Proportional to 226,531.80, 312,607.23 and 124,557.15

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Solution

The fourth proportional to 226,531.80, 312,607.23 and 124,557.15 is: 171,885.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,531.80 : 312,607.23 = 124,557.15 : x
  2. Step 2: Convert to fraction form
    226,531.80/312,607.23 = 124,557.15/x
  3. Step 3: Cross multiply
    226,531.80x = 312,607.23 × 124,557.15
  4. Step 4: Simplify right side
    226,531.80x = 38,937,465,638.19
  5. Step 5: Solve for x
    x = 38,937,465,638.19/226,531.80
  6. Step 6: Final answer
    x = 171,885.21

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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.