Home / 226,931.40-340,397.10-156,947.40

Finding the Fourth Proportional to 226,931.40, 340,397.10 and 156,947.40

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Solution

The fourth proportional to 226,931.40, 340,397.10 and 156,947.40 is: 235,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,931.40 : 340,397.10 = 156,947.40 : x
  2. Step 2: Convert to fraction form
    226,931.40/340,397.10 = 156,947.40/x
  3. Step 3: Cross multiply
    226,931.40x = 340,397.10 × 156,947.40
  4. Step 4: Simplify right side
    226,931.40x = 53,424,439,812.54
  5. Step 5: Solve for x
    x = 53,424,439,812.54/226,931.40
  6. Step 6: Final answer
    x = 235,421.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.