Home / 154,591.74-213,296.29-89,164.45

Finding the Fourth Proportional to 154,591.74, 213,296.29 and 89,164.45

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Solution

The fourth proportional to 154,591.74, 213,296.29 and 89,164.45 is: 123,023.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,591.74 : 213,296.29 = 89,164.45 : x
  2. Step 2: Convert to fraction form
    154,591.74/213,296.29 = 89,164.45/x
  3. Step 3: Cross multiply
    154,591.74x = 213,296.29 × 89,164.45
  4. Step 4: Simplify right side
    154,591.74x = 19,018,445,228.81
  5. Step 5: Solve for x
    x = 19,018,445,228.81/154,591.74
  6. Step 6: Final answer
    x = 123,023.68

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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.