Home / 127,630.74-176,123.57-70,258.89

Finding the Fourth Proportional to 127,630.74, 176,123.57 and 70,258.89

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Solution

The fourth proportional to 127,630.74, 176,123.57 and 70,258.89 is: 96,953.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,630.74 : 176,123.57 = 70,258.89 : x
  2. Step 2: Convert to fraction form
    127,630.74/176,123.57 = 70,258.89/x
  3. Step 3: Cross multiply
    127,630.74x = 176,123.57 × 70,258.89
  4. Step 4: Simplify right side
    127,630.74x = 12,374,246,840.21
  5. Step 5: Solve for x
    x = 12,374,246,840.21/127,630.74
  6. Step 6: Final answer
    x = 96,953.50

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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.