Home / 127,688.86-176,208.44-70,333.55

Finding the Fourth Proportional to 127,688.86, 176,208.44 and 70,333.55

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Solution

The fourth proportional to 127,688.86, 176,208.44 and 70,333.55 is: 97,059.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,688.86 : 176,208.44 = 70,333.55 : x
  2. Step 2: Convert to fraction form
    127,688.86/176,208.44 = 70,333.55/x
  3. Step 3: Cross multiply
    127,688.86x = 176,208.44 × 70,333.55
  4. Step 4: Simplify right side
    127,688.86x = 12,393,363,892.45
  5. Step 5: Solve for x
    x = 12,393,363,892.45/127,688.86
  6. Step 6: Final answer
    x = 97,059.09

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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.