Home / 188,875.17-260,569.64-112,378.97

Finding the Fourth Proportional to 188,875.17, 260,569.64 and 112,378.97

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Solution

The fourth proportional to 188,875.17, 260,569.64 and 112,378.97 is: 155,036.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,875.17 : 260,569.64 = 112,378.97 : x
  2. Step 2: Convert to fraction form
    188,875.17/260,569.64 = 112,378.97/x
  3. Step 3: Cross multiply
    188,875.17x = 260,569.64 × 112,378.97
  4. Step 4: Simplify right side
    188,875.17x = 29,282,548,688.84
  5. Step 5: Solve for x
    x = 29,282,548,688.84/188,875.17
  6. Step 6: Final answer
    x = 155,036.52

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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.