Home / 242,205.12-334,053.72-157,349.52

Finding the Fourth Proportional to 242,205.12, 334,053.72 and 157,349.52

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Solution

The fourth proportional to 242,205.12, 334,053.72 and 157,349.52 is: 217,019.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,205.12 : 334,053.72 = 157,349.52 : x
  2. Step 2: Convert to fraction form
    242,205.12/334,053.72 = 157,349.52/x
  3. Step 3: Cross multiply
    242,205.12x = 334,053.72 × 157,349.52
  4. Step 4: Simplify right side
    242,205.12x = 52,563,192,496.21
  5. Step 5: Solve for x
    x = 52,563,192,496.21/242,205.12
  6. Step 6: Final answer
    x = 217,019.33

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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.