Home / 127,516.02-175,971.64-70,927.40

Finding the Fourth Proportional to 127,516.02, 175,971.64 and 70,927.40

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Solution

The fourth proportional to 127,516.02, 175,971.64 and 70,927.40 is: 97,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,516.02 : 175,971.64 = 70,927.40 : x
  2. Step 2: Convert to fraction form
    127,516.02/175,971.64 = 70,927.40/x
  3. Step 3: Cross multiply
    127,516.02x = 175,971.64 × 70,927.40
  4. Step 4: Simplify right side
    127,516.02x = 12,481,210,898.94
  5. Step 5: Solve for x
    x = 12,481,210,898.94/127,516.02
  6. Step 6: Final answer
    x = 97,879.55

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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.