Home / 158,037.99-218,074.51-93,509.20

Finding the Fourth Proportional to 158,037.99, 218,074.51 and 93,509.20

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Solution

The fourth proportional to 158,037.99, 218,074.51 and 93,509.20 is: 129,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,037.99 : 218,074.51 = 93,509.20 : x
  2. Step 2: Convert to fraction form
    158,037.99/218,074.51 = 93,509.20/x
  3. Step 3: Cross multiply
    158,037.99x = 218,074.51 × 93,509.20
  4. Step 4: Simplify right side
    158,037.99x = 20,391,972,970.49
  5. Step 5: Solve for x
    x = 20,391,972,970.49/158,037.99
  6. Step 6: Final answer
    x = 129,032.10

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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.