Home / 118,301.19-163,255.95-64,586.66

Finding the Fourth Proportional to 118,301.19, 163,255.95 and 64,586.66

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Solution

The fourth proportional to 118,301.19, 163,255.95 and 64,586.66 is: 89,129.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,301.19 : 163,255.95 = 64,586.66 : x
  2. Step 2: Convert to fraction form
    118,301.19/163,255.95 = 64,586.66/x
  3. Step 3: Cross multiply
    118,301.19x = 163,255.95 × 64,586.66
  4. Step 4: Simplify right side
    118,301.19x = 10,544,155,719.35
  5. Step 5: Solve for x
    x = 10,544,155,719.35/118,301.19
  6. Step 6: Final answer
    x = 89,129.75

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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.