Home / 188,569.48-260,225.02-103,686.34

Finding the Fourth Proportional to 188,569.48, 260,225.02 and 103,686.34

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Solution

The fourth proportional to 188,569.48, 260,225.02 and 103,686.34 is: 143,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,569.48 : 260,225.02 = 103,686.34 : x
  2. Step 2: Convert to fraction form
    188,569.48/260,225.02 = 103,686.34/x
  3. Step 3: Cross multiply
    188,569.48x = 260,225.02 × 103,686.34
  4. Step 4: Simplify right side
    188,569.48x = 26,981,779,900.23
  5. Step 5: Solve for x
    x = 26,981,779,900.23/188,569.48
  6. Step 6: Final answer
    x = 143,086.68

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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.