Home / 243,561.64-336,114.02-136,131.72

Finding the Fourth Proportional to 243,561.64, 336,114.02 and 136,131.72

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Solution

The fourth proportional to 243,561.64, 336,114.02 and 136,131.72 is: 187,861.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,561.64 : 336,114.02 = 136,131.72 : x
  2. Step 2: Convert to fraction form
    243,561.64/336,114.02 = 136,131.72/x
  3. Step 3: Cross multiply
    243,561.64x = 336,114.02 × 136,131.72
  4. Step 4: Simplify right side
    243,561.64x = 45,755,779,658.71
  5. Step 5: Solve for x
    x = 45,755,779,658.71/243,561.64
  6. Step 6: Final answer
    x = 187,861.19

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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.