Home / 242,554.71-334,710.92-135,105.58

Finding the Fourth Proportional to 242,554.71, 334,710.92 and 135,105.58

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Solution

The fourth proportional to 242,554.71, 334,710.92 and 135,105.58 is: 186,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,554.71 : 334,710.92 = 135,105.58 : x
  2. Step 2: Convert to fraction form
    242,554.71/334,710.92 = 135,105.58/x
  3. Step 3: Cross multiply
    242,554.71x = 334,710.92 × 135,105.58
  4. Step 4: Simplify right side
    242,554.71x = 45,221,312,479.92
  5. Step 5: Solve for x
    x = 45,221,312,479.92/242,554.71
  6. Step 6: Final answer
    x = 186,437.58

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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.