Home / 186,190.40-256,938.60-101,307.68

Finding the Fourth Proportional to 186,190.40, 256,938.60 and 101,307.68

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Solution

The fourth proportional to 186,190.40, 256,938.60 and 101,307.68 is: 139,802.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,190.40 : 256,938.60 = 101,307.68 : x
  2. Step 2: Convert to fraction form
    186,190.40/256,938.60 = 101,307.68/x
  3. Step 3: Cross multiply
    186,190.40x = 256,938.60 × 101,307.68
  4. Step 4: Simplify right side
    186,190.40x = 26,029,853,468.45
  5. Step 5: Solve for x
    x = 26,029,853,468.45/186,190.40
  6. Step 6: Final answer
    x = 139,802.34

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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.