Home / 151,689.68-226,381.08-134,875.20

Finding the Fourth Proportional to 151,689.68, 226,381.08 and 134,875.20

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Solution

The fourth proportional to 151,689.68, 226,381.08 and 134,875.20 is: 201,287.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,689.68 : 226,381.08 = 134,875.20 : x
  2. Step 2: Convert to fraction form
    151,689.68/226,381.08 = 134,875.20/x
  3. Step 3: Cross multiply
    151,689.68x = 226,381.08 × 134,875.20
  4. Step 4: Simplify right side
    151,689.68x = 30,533,193,441.22
  5. Step 5: Solve for x
    x = 30,533,193,441.22/151,689.68
  6. Step 6: Final answer
    x = 201,287.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.