Home / 186,966.14-280,030.95-86,976.50

Finding the Fourth Proportional to 186,966.14, 280,030.95 and 86,976.50

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Solution

The fourth proportional to 186,966.14, 280,030.95 and 86,976.50 is: 130,270.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,966.14 : 280,030.95 = 86,976.50 : x
  2. Step 2: Convert to fraction form
    186,966.14/280,030.95 = 86,976.50/x
  3. Step 3: Cross multiply
    186,966.14x = 280,030.95 × 86,976.50
  4. Step 4: Simplify right side
    186,966.14x = 24,356,110,522.52
  5. Step 5: Solve for x
    x = 24,356,110,522.52/186,966.14
  6. Step 6: Final answer
    x = 130,270.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.