Home / 156,053.40-234,080.10-56,261.40

Finding the Fourth Proportional to 156,053.40, 234,080.10 and 56,261.40

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Solution

The fourth proportional to 156,053.40, 234,080.10 and 56,261.40 is: 84,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,053.40 : 234,080.10 = 56,261.40 : x
  2. Step 2: Convert to fraction form
    156,053.40/234,080.10 = 56,261.40/x
  3. Step 3: Cross multiply
    156,053.40x = 234,080.10 × 56,261.40
  4. Step 4: Simplify right side
    156,053.40x = 13,169,674,138.14
  5. Step 5: Solve for x
    x = 13,169,674,138.14/156,053.40
  6. Step 6: Final answer
    x = 84,392.10

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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.