Home / 117,590.40-162,275.60-63,875.43

Finding the Fourth Proportional to 117,590.40, 162,275.60 and 63,875.43

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Solution

The fourth proportional to 117,590.40, 162,275.60 and 63,875.43 is: 88,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,590.40 : 162,275.60 = 63,875.43 : x
  2. Step 2: Convert to fraction form
    117,590.40/162,275.60 = 63,875.43/x
  3. Step 3: Cross multiply
    117,590.40x = 162,275.60 × 63,875.43
  4. Step 4: Simplify right side
    117,590.40x = 10,365,423,728.51
  5. Step 5: Solve for x
    x = 10,365,423,728.51/117,590.40
  6. Step 6: Final answer
    x = 88,148.55

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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.