Home / 98,907.06-147,641.12-91,597.62

Finding the Fourth Proportional to 98,907.06, 147,641.12 and 91,597.62

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Solution

The fourth proportional to 98,907.06, 147,641.12 and 91,597.62 is: 136,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,907.06 : 147,641.12 = 91,597.62 : x
  2. Step 2: Convert to fraction form
    98,907.06/147,641.12 = 91,597.62/x
  3. Step 3: Cross multiply
    98,907.06x = 147,641.12 × 91,597.62
  4. Step 4: Simplify right side
    98,907.06x = 13,523,574,748.15
  5. Step 5: Solve for x
    x = 13,523,574,748.15/98,907.06
  6. Step 6: Final answer
    x = 136,730.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.