Home / 157,483.38-217,320.80-92,973.39

Finding the Fourth Proportional to 157,483.38, 217,320.80 and 92,973.39

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Solution

The fourth proportional to 157,483.38, 217,320.80 and 92,973.39 is: 128,299.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,483.38 : 217,320.80 = 92,973.39 : x
  2. Step 2: Convert to fraction form
    157,483.38/217,320.80 = 92,973.39/x
  3. Step 3: Cross multiply
    157,483.38x = 217,320.80 × 92,973.39
  4. Step 4: Simplify right side
    157,483.38x = 20,205,051,493.51
  5. Step 5: Solve for x
    x = 20,205,051,493.51/157,483.38
  6. Step 6: Final answer
    x = 128,299.58

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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.