Home / 119,184.72-164,475.84-65,470.32

Finding the Fourth Proportional to 119,184.72, 164,475.84 and 65,470.32

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Solution

The fourth proportional to 119,184.72, 164,475.84 and 65,470.32 is: 90,349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,184.72 : 164,475.84 = 65,470.32 : x
  2. Step 2: Convert to fraction form
    119,184.72/164,475.84 = 65,470.32/x
  3. Step 3: Cross multiply
    119,184.72x = 164,475.84 × 65,470.32
  4. Step 4: Simplify right side
    119,184.72x = 10,768,285,877.07
  5. Step 5: Solve for x
    x = 10,768,285,877.07/119,184.72
  6. Step 6: Final answer
    x = 90,349.55

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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.