Home / 186,498.06-257,360.10-101,615.76

Finding the Fourth Proportional to 186,498.06, 257,360.10 and 101,615.76

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Solution

The fourth proportional to 186,498.06, 257,360.10 and 101,615.76 is: 140,225.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,498.06 : 257,360.10 = 101,615.76 : x
  2. Step 2: Convert to fraction form
    186,498.06/257,360.10 = 101,615.76/x
  3. Step 3: Cross multiply
    186,498.06x = 257,360.10 × 101,615.76
  4. Step 4: Simplify right side
    186,498.06x = 26,151,842,155.18
  5. Step 5: Solve for x
    x = 26,151,842,155.18/186,498.06
  6. Step 6: Final answer
    x = 140,225.81

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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.