Home / 186,528.77-257,410.02-101,645.84

Finding the Fourth Proportional to 186,528.77, 257,410.02 and 101,645.84

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Solution

The fourth proportional to 186,528.77, 257,410.02 and 101,645.84 is: 140,271.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,528.77 : 257,410.02 = 101,645.84 : x
  2. Step 2: Convert to fraction form
    186,528.77/257,410.02 = 101,645.84/x
  3. Step 3: Cross multiply
    186,528.77x = 257,410.02 × 101,645.84
  4. Step 4: Simplify right side
    186,528.77x = 26,164,656,420.27
  5. Step 5: Solve for x
    x = 26,164,656,420.27/186,528.77
  6. Step 6: Final answer
    x = 140,271.43

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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.