Home / 170,646.47-235,538.96-99,049.55

Finding the Fourth Proportional to 170,646.47, 235,538.96 and 99,049.55

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Solution

The fourth proportional to 170,646.47, 235,538.96 and 99,049.55 is: 136,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,646.47 : 235,538.96 = 99,049.55 : x
  2. Step 2: Convert to fraction form
    170,646.47/235,538.96 = 99,049.55/x
  3. Step 3: Cross multiply
    170,646.47x = 235,538.96 × 99,049.55
  4. Step 4: Simplify right side
    170,646.47x = 23,330,028,666.60
  5. Step 5: Solve for x
    x = 23,330,028,666.60/170,646.47
  6. Step 6: Final answer
    x = 136,715.57

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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.