Home / 156,232.80-215,598.71-84,612.20

Finding the Fourth Proportional to 156,232.80, 215,598.71 and 84,612.20

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Solution

The fourth proportional to 156,232.80, 215,598.71 and 84,612.20 is: 116,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,232.80 : 215,598.71 = 84,612.20 : x
  2. Step 2: Convert to fraction form
    156,232.80/215,598.71 = 84,612.20/x
  3. Step 3: Cross multiply
    156,232.80x = 215,598.71 × 84,612.20
  4. Step 4: Simplify right side
    156,232.80x = 18,242,280,303.80
  5. Step 5: Solve for x
    x = 18,242,280,303.80/156,232.80
  6. Step 6: Final answer
    x = 116,763.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.