Home / 156,924.40-235,386.60-51,729.70

Finding the Fourth Proportional to 156,924.40, 235,386.60 and 51,729.70

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Solution

The fourth proportional to 156,924.40, 235,386.60 and 51,729.70 is: 77,594.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,924.40 : 235,386.60 = 51,729.70 : x
  2. Step 2: Convert to fraction form
    156,924.40/235,386.60 = 51,729.70/x
  3. Step 3: Cross multiply
    156,924.40x = 235,386.60 × 51,729.70
  4. Step 4: Simplify right side
    156,924.40x = 12,176,478,202.02
  5. Step 5: Solve for x
    x = 12,176,478,202.02/156,924.40
  6. Step 6: Final answer
    x = 77,594.55

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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.