Home / 118,312.38-163,271.34-64,597.40

Finding the Fourth Proportional to 118,312.38, 163,271.34 and 64,597.40

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Solution

The fourth proportional to 118,312.38, 163,271.34 and 64,597.40 is: 89,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,312.38 : 163,271.34 = 64,597.40 : x
  2. Step 2: Convert to fraction form
    118,312.38/163,271.34 = 64,597.40/x
  3. Step 3: Cross multiply
    118,312.38x = 163,271.34 × 64,597.40
  4. Step 4: Simplify right side
    118,312.38x = 10,546,904,058.52
  5. Step 5: Solve for x
    x = 10,546,904,058.52/118,312.38
  6. Step 6: Final answer
    x = 89,144.55

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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.