Home / 98,166.67-147,126.51-53,186.32

Finding the Fourth Proportional to 98,166.67, 147,126.51 and 53,186.32

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Solution

The fourth proportional to 98,166.67, 147,126.51 and 53,186.32 is: 79,712.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,166.67 : 147,126.51 = 53,186.32 : x
  2. Step 2: Convert to fraction form
    98,166.67/147,126.51 = 53,186.32/x
  3. Step 3: Cross multiply
    98,166.67x = 147,126.51 × 53,186.32
  4. Step 4: Simplify right side
    98,166.67x = 7,825,117,825.25
  5. Step 5: Solve for x
    x = 7,825,117,825.25/98,166.67
  6. Step 6: Final answer
    x = 79,712.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.