Home / 123,030.26-169,782.34-69,316.10

Finding the Fourth Proportional to 123,030.26, 169,782.34 and 69,316.10

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Solution

The fourth proportional to 123,030.26, 169,782.34 and 69,316.10 is: 95,656.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,030.26 : 169,782.34 = 69,316.10 : x
  2. Step 2: Convert to fraction form
    123,030.26/169,782.34 = 69,316.10/x
  3. Step 3: Cross multiply
    123,030.26x = 169,782.34 × 69,316.10
  4. Step 4: Simplify right side
    123,030.26x = 11,768,649,657.67
  5. Step 5: Solve for x
    x = 11,768,649,657.67/123,030.26
  6. Step 6: Final answer
    x = 95,656.55

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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.