Home / 242,343.48-334,445.04-134,920.34

Finding the Fourth Proportional to 242,343.48, 334,445.04 and 134,920.34

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Solution

The fourth proportional to 242,343.48, 334,445.04 and 134,920.34 is: 186,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,343.48 : 334,445.04 = 134,920.34 : x
  2. Step 2: Convert to fraction form
    242,343.48/334,445.04 = 134,920.34/x
  3. Step 3: Cross multiply
    242,343.48x = 334,445.04 × 134,920.34
  4. Step 4: Simplify right side
    242,343.48x = 45,123,436,835.89
  5. Step 5: Solve for x
    x = 45,123,436,835.89/242,343.48
  6. Step 6: Final answer
    x = 186,196.21

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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.