Home / 156,645.20-234,967.80-154,312.40

Finding the Fourth Proportional to 156,645.20, 234,967.80 and 154,312.40

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Solution

The fourth proportional to 156,645.20, 234,967.80 and 154,312.40 is: 231,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,645.20 : 234,967.80 = 154,312.40 : x
  2. Step 2: Convert to fraction form
    156,645.20/234,967.80 = 154,312.40/x
  3. Step 3: Cross multiply
    156,645.20x = 234,967.80 × 154,312.40
  4. Step 4: Simplify right side
    156,645.20x = 36,258,445,140.72
  5. Step 5: Solve for x
    x = 36,258,445,140.72/156,645.20
  6. Step 6: Final answer
    x = 231,468.60

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1.5x scale

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.