Home / 191,016.50-286,534.26-72,697.01

Finding the Fourth Proportional to 191,016.50, 286,534.26 and 72,697.01

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Solution

The fourth proportional to 191,016.50, 286,534.26 and 72,697.01 is: 109,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,016.50 : 286,534.26 = 72,697.01 : x
  2. Step 2: Convert to fraction form
    191,016.50/286,534.26 = 72,697.01/x
  3. Step 3: Cross multiply
    191,016.50x = 286,534.26 × 72,697.01
  4. Step 4: Simplify right side
    191,016.50x = 20,830,182,531.89
  5. Step 5: Solve for x
    x = 20,830,182,531.89/191,016.50
  6. Step 6: Final answer
    x = 109,049.13

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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.