Home / 158,956.81-219,269.15-99,237.13

Finding the Fourth Proportional to 158,956.81, 219,269.15 and 99,237.13

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Solution

The fourth proportional to 158,956.81, 219,269.15 and 99,237.13 is: 136,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,956.81 : 219,269.15 = 99,237.13 : x
  2. Step 2: Convert to fraction form
    158,956.81/219,269.15 = 99,237.13/x
  3. Step 3: Cross multiply
    158,956.81x = 219,269.15 × 99,237.13
  4. Step 4: Simplify right side
    158,956.81x = 21,759,641,143.54
  5. Step 5: Solve for x
    x = 21,759,641,143.54/158,956.81
  6. Step 6: Final answer
    x = 136,890.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.