Home / 186,543.04-257,421.90-101,658.28

Finding the Fourth Proportional to 186,543.04, 257,421.90 and 101,658.28

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Solution

The fourth proportional to 186,543.04, 257,421.90 and 101,658.28 is: 140,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,543.04 : 257,421.90 = 101,658.28 : x
  2. Step 2: Convert to fraction form
    186,543.04/257,421.90 = 101,658.28/x
  3. Step 3: Cross multiply
    186,543.04x = 257,421.90 × 101,658.28
  4. Step 4: Simplify right side
    186,543.04x = 26,169,067,588.33
  5. Step 5: Solve for x
    x = 26,169,067,588.33/186,543.04
  6. Step 6: Final answer
    x = 140,284.34

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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.