Home / 126,312.95-174,341.09-83,300.20

Finding the Fourth Proportional to 126,312.95, 174,341.09 and 83,300.20

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Solution

The fourth proportional to 126,312.95, 174,341.09 and 83,300.20 is: 114,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,312.95 : 174,341.09 = 83,300.20 : x
  2. Step 2: Convert to fraction form
    126,312.95/174,341.09 = 83,300.20/x
  3. Step 3: Cross multiply
    126,312.95x = 174,341.09 × 83,300.20
  4. Step 4: Simplify right side
    126,312.95x = 14,522,647,437.62
  5. Step 5: Solve for x
    x = 14,522,647,437.62/126,312.95
  6. Step 6: Final answer
    x = 114,973.54

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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.