Home / 127,085.46-175,398.93-70,515.06

Finding the Fourth Proportional to 127,085.46, 175,398.93 and 70,515.06

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Solution

The fourth proportional to 127,085.46, 175,398.93 and 70,515.06 is: 97,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,085.46 : 175,398.93 = 70,515.06 : x
  2. Step 2: Convert to fraction form
    127,085.46/175,398.93 = 70,515.06/x
  3. Step 3: Cross multiply
    127,085.46x = 175,398.93 × 70,515.06
  4. Step 4: Simplify right side
    127,085.46x = 12,368,266,072.89
  5. Step 5: Solve for x
    x = 12,368,266,072.89/127,085.46
  6. Step 6: Final answer
    x = 97,322.43

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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.