Home / 127,945.30-176,556.56-70,585.36

Finding the Fourth Proportional to 127,945.30, 176,556.56 and 70,585.36

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Solution

The fourth proportional to 127,945.30, 176,556.56 and 70,585.36 is: 97,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,945.30 : 176,556.56 = 70,585.36 : x
  2. Step 2: Convert to fraction form
    127,945.30/176,556.56 = 70,585.36/x
  3. Step 3: Cross multiply
    127,945.30x = 176,556.56 × 70,585.36
  4. Step 4: Simplify right side
    127,945.30x = 12,462,307,465.18
  5. Step 5: Solve for x
    x = 12,462,307,465.18/127,945.30
  6. Step 6: Final answer
    x = 97,403.40

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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.