Home / 154,854.22-213,712.95-94,428.22

Finding the Fourth Proportional to 154,854.22, 213,712.95 and 94,428.22

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Solution

The fourth proportional to 154,854.22, 213,712.95 and 94,428.22 is: 130,319.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,854.22 : 213,712.95 = 94,428.22 : x
  2. Step 2: Convert to fraction form
    154,854.22/213,712.95 = 94,428.22/x
  3. Step 3: Cross multiply
    154,854.22x = 213,712.95 × 94,428.22
  4. Step 4: Simplify right side
    154,854.22x = 20,180,533,459.45
  5. Step 5: Solve for x
    x = 20,180,533,459.45/154,854.22
  6. Step 6: Final answer
    x = 130,319.56

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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.