Home / 114,166.38-157,700.22-87,636.72

Finding the Fourth Proportional to 114,166.38, 157,700.22 and 87,636.72

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Solution

The fourth proportional to 114,166.38, 157,700.22 and 87,636.72 is: 121,054.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,166.38 : 157,700.22 = 87,636.72 : x
  2. Step 2: Convert to fraction form
    114,166.38/157,700.22 = 87,636.72/x
  3. Step 3: Cross multiply
    114,166.38x = 157,700.22 × 87,636.72
  4. Step 4: Simplify right side
    114,166.38x = 13,820,330,024.08
  5. Step 5: Solve for x
    x = 13,820,330,024.08/114,166.38
  6. Step 6: Final answer
    x = 121,054.29

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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.