Home / 156,943.60-235,415.40-144,041.20

Finding the Fourth Proportional to 156,943.60, 235,415.40 and 144,041.20

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Solution

The fourth proportional to 156,943.60, 235,415.40 and 144,041.20 is: 216,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,943.60 : 235,415.40 = 144,041.20 : x
  2. Step 2: Convert to fraction form
    156,943.60/235,415.40 = 144,041.20/x
  3. Step 3: Cross multiply
    156,943.60x = 235,415.40 × 144,041.20
  4. Step 4: Simplify right side
    156,943.60x = 33,909,516,714.48
  5. Step 5: Solve for x
    x = 33,909,516,714.48/156,943.60
  6. Step 6: Final answer
    x = 216,061.80

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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.