Home / 118,724.04-163,842.89-65,014.16

Finding the Fourth Proportional to 118,724.04, 163,842.89 and 65,014.16

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Solution

The fourth proportional to 118,724.04, 163,842.89 and 65,014.16 is: 89,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,724.04 : 163,842.89 = 65,014.16 : x
  2. Step 2: Convert to fraction form
    118,724.04/163,842.89 = 65,014.16/x
  3. Step 3: Cross multiply
    118,724.04x = 163,842.89 × 65,014.16
  4. Step 4: Simplify right side
    118,724.04x = 10,652,106,721.04
  5. Step 5: Solve for x
    x = 10,652,106,721.04/118,724.04
  6. Step 6: Final answer
    x = 89,721.57

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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.