Home / 242,302.78-334,346.18-134,877.34

Finding the Fourth Proportional to 242,302.78, 334,346.18 and 134,877.34

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Solution

The fourth proportional to 242,302.78, 334,346.18 and 134,877.34 is: 186,113.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,302.78 : 334,346.18 = 134,877.34 : x
  2. Step 2: Convert to fraction form
    242,302.78/334,346.18 = 134,877.34/x
  3. Step 3: Cross multiply
    242,302.78x = 334,346.18 × 134,877.34
  4. Step 4: Simplify right side
    242,302.78x = 45,095,723,397.56
  5. Step 5: Solve for x
    x = 45,095,723,397.56/242,302.78
  6. Step 6: Final answer
    x = 186,113.11

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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.