Home / 147,289.14-203,266.98-86,895.18

Finding the Fourth Proportional to 147,289.14, 203,266.98 and 86,895.18

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Solution

The fourth proportional to 147,289.14, 203,266.98 and 86,895.18 is: 119,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,289.14 : 203,266.98 = 86,895.18 : x
  2. Step 2: Convert to fraction form
    147,289.14/203,266.98 = 86,895.18/x
  3. Step 3: Cross multiply
    147,289.14x = 203,266.98 × 86,895.18
  4. Step 4: Simplify right side
    147,289.14x = 17,662,920,815.16
  5. Step 5: Solve for x
    x = 17,662,920,815.16/147,289.14
  6. Step 6: Final answer
    x = 119,920.05

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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.