Home / 156,707.59-235,101.13-72,528.36

Finding the Fourth Proportional to 156,707.59, 235,101.13 and 72,528.36

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Solution

The fourth proportional to 156,707.59, 235,101.13 and 72,528.36 is: 108,810.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,707.59 : 235,101.13 = 72,528.36 : x
  2. Step 2: Convert to fraction form
    156,707.59/235,101.13 = 72,528.36/x
  3. Step 3: Cross multiply
    156,707.59x = 235,101.13 × 72,528.36
  4. Step 4: Simplify right side
    156,707.59x = 17,051,500,060.51
  5. Step 5: Solve for x
    x = 17,051,500,060.51/156,707.59
  6. Step 6: Final answer
    x = 108,810.94

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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.