Home / 186,365.45-257,195.14-140,342.70

Finding the Fourth Proportional to 186,365.45, 257,195.14 and 140,342.70

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Solution

The fourth proportional to 186,365.45, 257,195.14 and 140,342.70 is: 193,681.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,365.45 : 257,195.14 = 140,342.70 : x
  2. Step 2: Convert to fraction form
    186,365.45/257,195.14 = 140,342.70/x
  3. Step 3: Cross multiply
    186,365.45x = 257,195.14 × 140,342.70
  4. Step 4: Simplify right side
    186,365.45x = 36,095,458,386.79
  5. Step 5: Solve for x
    x = 36,095,458,386.79/186,365.45
  6. Step 6: Final answer
    x = 193,681.07

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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.