Home / 126,567.10-174,666.09-69,980.50

Finding the Fourth Proportional to 126,567.10, 174,666.09 and 69,980.50

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Solution

The fourth proportional to 126,567.10, 174,666.09 and 69,980.50 is: 96,575.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,567.10 : 174,666.09 = 69,980.50 : x
  2. Step 2: Convert to fraction form
    126,567.10/174,666.09 = 69,980.50/x
  3. Step 3: Cross multiply
    126,567.10x = 174,666.09 × 69,980.50
  4. Step 4: Simplify right side
    126,567.10x = 12,223,220,137.01
  5. Step 5: Solve for x
    x = 12,223,220,137.01/126,567.10
  6. Step 6: Final answer
    x = 96,575.02

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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.