Home / 243,587.18-336,150.74-136,157.13

Finding the Fourth Proportional to 243,587.18, 336,150.74 and 136,157.13

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Solution

The fourth proportional to 243,587.18, 336,150.74 and 136,157.13 is: 187,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,587.18 : 336,150.74 = 136,157.13 : x
  2. Step 2: Convert to fraction form
    243,587.18/336,150.74 = 136,157.13/x
  3. Step 3: Cross multiply
    243,587.18x = 336,150.74 × 136,157.13
  4. Step 4: Simplify right side
    243,587.18x = 45,769,320,005.78
  5. Step 5: Solve for x
    x = 45,769,320,005.78/243,587.18
  6. Step 6: Final answer
    x = 187,897.08

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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.