Home / 127,587.69-176,069.63-70,225.79

Finding the Fourth Proportional to 127,587.69, 176,069.63 and 70,225.79

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Solution

The fourth proportional to 127,587.69, 176,069.63 and 70,225.79 is: 96,910.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,587.69 : 176,069.63 = 70,225.79 : x
  2. Step 2: Convert to fraction form
    127,587.69/176,069.63 = 70,225.79/x
  3. Step 3: Cross multiply
    127,587.69x = 176,069.63 × 70,225.79
  4. Step 4: Simplify right side
    127,587.69x = 12,364,628,861.76
  5. Step 5: Solve for x
    x = 12,364,628,861.76/127,587.69
  6. Step 6: Final answer
    x = 96,910.83

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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.