Home / 186,888.06-257,895.90-101,988.72

Finding the Fourth Proportional to 186,888.06, 257,895.90 and 101,988.72

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Solution

The fourth proportional to 186,888.06, 257,895.90 and 101,988.72 is: 140,739.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,888.06 : 257,895.90 = 101,988.72 : x
  2. Step 2: Convert to fraction form
    186,888.06/257,895.90 = 101,988.72/x
  3. Step 3: Cross multiply
    186,888.06x = 257,895.90 × 101,988.72
  4. Step 4: Simplify right side
    186,888.06x = 26,302,472,734.25
  5. Step 5: Solve for x
    x = 26,302,472,734.25/186,888.06
  6. Step 6: Final answer
    x = 140,739.18

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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.