Home / 180,769.06-249,460.86-99,097.30

Finding the Fourth Proportional to 180,769.06, 249,460.86 and 99,097.30

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Solution

The fourth proportional to 180,769.06, 249,460.86 and 99,097.30 is: 136,754.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,769.06 : 249,460.86 = 99,097.30 : x
  2. Step 2: Convert to fraction form
    180,769.06/249,460.86 = 99,097.30/x
  3. Step 3: Cross multiply
    180,769.06x = 249,460.86 × 99,097.30
  4. Step 4: Simplify right side
    180,769.06x = 24,720,897,681.68
  5. Step 5: Solve for x
    x = 24,720,897,681.68/180,769.06
  6. Step 6: Final answer
    x = 136,754.03

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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.