Home / 128,060.16-176,722.96-70,699.44

Finding the Fourth Proportional to 128,060.16, 176,722.96 and 70,699.44

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Solution

The fourth proportional to 128,060.16, 176,722.96 and 70,699.44 is: 97,565.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,060.16 : 176,722.96 = 70,699.44 : x
  2. Step 2: Convert to fraction form
    128,060.16/176,722.96 = 70,699.44/x
  3. Step 3: Cross multiply
    128,060.16x = 176,722.96 × 70,699.44
  4. Step 4: Simplify right side
    128,060.16x = 12,494,214,307.14
  5. Step 5: Solve for x
    x = 12,494,214,307.14/128,060.16
  6. Step 6: Final answer
    x = 97,565.19

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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.