Home / 125,303.76-173,071.08-91,258.38

Finding the Fourth Proportional to 125,303.76, 173,071.08 and 91,258.38

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Solution

The fourth proportional to 125,303.76, 173,071.08 and 91,258.38 is: 126,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,303.76 : 173,071.08 = 91,258.38 : x
  2. Step 2: Convert to fraction form
    125,303.76/173,071.08 = 91,258.38/x
  3. Step 3: Cross multiply
    125,303.76x = 173,071.08 × 91,258.38
  4. Step 4: Simplify right side
    125,303.76x = 15,794,186,385.65
  5. Step 5: Solve for x
    x = 15,794,186,385.65/125,303.76
  6. Step 6: Final answer
    x = 126,047.19

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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.