Home / 157,014.04-216,674.74-89,037.20

Finding the Fourth Proportional to 157,014.04, 216,674.74 and 89,037.20

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Solution

The fourth proportional to 157,014.04, 216,674.74 and 89,037.20 is: 122,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,014.04 : 216,674.74 = 89,037.20 : x
  2. Step 2: Convert to fraction form
    157,014.04/216,674.74 = 89,037.20/x
  3. Step 3: Cross multiply
    157,014.04x = 216,674.74 × 89,037.20
  4. Step 4: Simplify right side
    157,014.04x = 19,292,112,160.33
  5. Step 5: Solve for x
    x = 19,292,112,160.33/157,014.04
  6. Step 6: Final answer
    x = 122,868.71

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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.