Home / 118,432.95-163,430.50-64,707.27

Finding the Fourth Proportional to 118,432.95, 163,430.50 and 64,707.27

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Solution

The fourth proportional to 118,432.95, 163,430.50 and 64,707.27 is: 89,292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,432.95 : 163,430.50 = 64,707.27 : x
  2. Step 2: Convert to fraction form
    118,432.95/163,430.50 = 64,707.27/x
  3. Step 3: Cross multiply
    118,432.95x = 163,430.50 × 64,707.27
  4. Step 4: Simplify right side
    118,432.95x = 10,575,141,489.74
  5. Step 5: Solve for x
    x = 10,575,141,489.74/118,432.95
  6. Step 6: Final answer
    x = 89,292.22

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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.