Home / 119,698.01-165,194.89-89,430.79

Finding the Fourth Proportional to 119,698.01, 165,194.89 and 89,430.79

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Solution

The fourth proportional to 119,698.01, 165,194.89 and 89,430.79 is: 123,423.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,698.01 : 165,194.89 = 89,430.79 : x
  2. Step 2: Convert to fraction form
    119,698.01/165,194.89 = 89,430.79/x
  3. Step 3: Cross multiply
    119,698.01x = 165,194.89 × 89,430.79
  4. Step 4: Simplify right side
    119,698.01x = 14,773,509,516.66
  5. Step 5: Solve for x
    x = 14,773,509,516.66/119,698.01
  6. Step 6: Final answer
    x = 123,423.18

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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.