Home / 127,664.82-176,176.01-70,302.98

Finding the Fourth Proportional to 127,664.82, 176,176.01 and 70,302.98

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Solution

The fourth proportional to 127,664.82, 176,176.01 and 70,302.98 is: 97,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,664.82 : 176,176.01 = 70,302.98 : x
  2. Step 2: Convert to fraction form
    127,664.82/176,176.01 = 70,302.98/x
  3. Step 3: Cross multiply
    127,664.82x = 176,176.01 × 70,302.98
  4. Step 4: Simplify right side
    127,664.82x = 12,385,699,123.71
  5. Step 5: Solve for x
    x = 12,385,699,123.71/127,664.82
  6. Step 6: Final answer
    x = 97,017.32

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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.