Home / 128,014.34-176,658.48-70,654.19

Finding the Fourth Proportional to 128,014.34, 176,658.48 and 70,654.19

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Solution

The fourth proportional to 128,014.34, 176,658.48 and 70,654.19 is: 97,502.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,014.34 : 176,658.48 = 70,654.19 : x
  2. Step 2: Convert to fraction form
    128,014.34/176,658.48 = 70,654.19/x
  3. Step 3: Cross multiply
    128,014.34x = 176,658.48 × 70,654.19
  4. Step 4: Simplify right side
    128,014.34x = 12,481,660,927.74
  5. Step 5: Solve for x
    x = 12,481,660,927.74/128,014.34
  6. Step 6: Final answer
    x = 97,502.06

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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.