Home / 127,931.98-176,546.31-70,570.01

Finding the Fourth Proportional to 127,931.98, 176,546.31 and 70,570.01

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Solution

The fourth proportional to 127,931.98, 176,546.31 and 70,570.01 is: 97,386.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,931.98 : 176,546.31 = 70,570.01 : x
  2. Step 2: Convert to fraction form
    127,931.98/176,546.31 = 70,570.01/x
  3. Step 3: Cross multiply
    127,931.98x = 176,546.31 × 70,570.01
  4. Step 4: Simplify right side
    127,931.98x = 12,458,874,509.31
  5. Step 5: Solve for x
    x = 12,458,874,509.31/127,931.98
  6. Step 6: Final answer
    x = 97,386.71

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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.