Home / 186,830.18-257,823.50-101,948.66

Finding the Fourth Proportional to 186,830.18, 257,823.50 and 101,948.66

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Solution

The fourth proportional to 186,830.18, 257,823.50 and 101,948.66 is: 140,687.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,830.18 : 257,823.50 = 101,948.66 : x
  2. Step 2: Convert to fraction form
    186,830.18/257,823.50 = 101,948.66/x
  3. Step 3: Cross multiply
    186,830.18x = 257,823.50 × 101,948.66
  4. Step 4: Simplify right side
    186,830.18x = 26,284,760,341.51
  5. Step 5: Solve for x
    x = 26,284,760,341.51/186,830.18
  6. Step 6: Final answer
    x = 140,687.98

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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.