Home / 127,830.63-176,398.31-70,466.97

Finding the Fourth Proportional to 127,830.63, 176,398.31 and 70,466.97

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Solution

The fourth proportional to 127,830.63, 176,398.31 and 70,466.97 is: 97,240.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,830.63 : 176,398.31 = 70,466.97 : x
  2. Step 2: Convert to fraction form
    127,830.63/176,398.31 = 70,466.97/x
  3. Step 3: Cross multiply
    127,830.63x = 176,398.31 × 70,466.97
  4. Step 4: Simplify right side
    127,830.63x = 12,430,254,066.49
  5. Step 5: Solve for x
    x = 12,430,254,066.49/127,830.63
  6. Step 6: Final answer
    x = 97,240.03

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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.