Home / 157,439.60-236,159.40-148,254.20

Finding the Fourth Proportional to 157,439.60, 236,159.40 and 148,254.20

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Solution

The fourth proportional to 157,439.60, 236,159.40 and 148,254.20 is: 222,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,439.60 : 236,159.40 = 148,254.20 : x
  2. Step 2: Convert to fraction form
    157,439.60/236,159.40 = 148,254.20/x
  3. Step 3: Cross multiply
    157,439.60x = 236,159.40 × 148,254.20
  4. Step 4: Simplify right side
    157,439.60x = 35,011,622,919.48
  5. Step 5: Solve for x
    x = 35,011,622,919.48/157,439.60
  6. Step 6: Final answer
    x = 222,381.30

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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.