Home / 151,500.26-209,070.29-83,518.38

Finding the Fourth Proportional to 151,500.26, 209,070.29 and 83,518.38

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Solution

The fourth proportional to 151,500.26, 209,070.29 and 83,518.38 is: 115,255.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,500.26 : 209,070.29 = 83,518.38 : x
  2. Step 2: Convert to fraction form
    151,500.26/209,070.29 = 83,518.38/x
  3. Step 3: Cross multiply
    151,500.26x = 209,070.29 × 83,518.38
  4. Step 4: Simplify right side
    151,500.26x = 17,461,211,509.34
  5. Step 5: Solve for x
    x = 17,461,211,509.34/151,500.26
  6. Step 6: Final answer
    x = 115,255.33

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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.