Home / 157,208.14-216,946.86-85,588.66

Finding the Fourth Proportional to 157,208.14, 216,946.86 and 85,588.66

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Solution

The fourth proportional to 157,208.14, 216,946.86 and 85,588.66 is: 118,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,208.14 : 216,946.86 = 85,588.66 : x
  2. Step 2: Convert to fraction form
    157,208.14/216,946.86 = 85,588.66/x
  3. Step 3: Cross multiply
    157,208.14x = 216,946.86 × 85,588.66
  4. Step 4: Simplify right side
    157,208.14x = 18,568,191,038.61
  5. Step 5: Solve for x
    x = 18,568,191,038.61/157,208.14
  6. Step 6: Final answer
    x = 118,112.15

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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.