Home / 158,227.95-218,346.12-86,594.13

Finding the Fourth Proportional to 158,227.95, 218,346.12 and 86,594.13

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Solution

The fourth proportional to 158,227.95, 218,346.12 and 86,594.13 is: 119,495.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,227.95 : 218,346.12 = 86,594.13 : x
  2. Step 2: Convert to fraction form
    158,227.95/218,346.12 = 86,594.13/x
  3. Step 3: Cross multiply
    158,227.95x = 218,346.12 × 86,594.13
  4. Step 4: Simplify right side
    158,227.95x = 18,907,492,300.28
  5. Step 5: Solve for x
    x = 18,907,492,300.28/158,227.95
  6. Step 6: Final answer
    x = 119,495.27

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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.