Home / 151,813.50-227,430.46-85,051.68

Finding the Fourth Proportional to 151,813.50, 227,430.46 and 85,051.68

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Solution

The fourth proportional to 151,813.50, 227,430.46 and 85,051.68 is: 127,415.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,813.50 : 227,430.46 = 85,051.68 : x
  2. Step 2: Convert to fraction form
    151,813.50/227,430.46 = 85,051.68/x
  3. Step 3: Cross multiply
    151,813.50x = 227,430.46 × 85,051.68
  4. Step 4: Simplify right side
    151,813.50x = 19,343,341,569.02
  5. Step 5: Solve for x
    x = 19,343,341,569.02/151,813.50
  6. Step 6: Final answer
    x = 127,415.17

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1.5x scale

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.