Home / 186,529.50-257,410.71-101,646.63

Finding the Fourth Proportional to 186,529.50, 257,410.71 and 101,646.63

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Solution

The fourth proportional to 186,529.50, 257,410.71 and 101,646.63 is: 140,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,529.50 : 257,410.71 = 101,646.63 : x
  2. Step 2: Convert to fraction form
    186,529.50/257,410.71 = 101,646.63/x
  3. Step 3: Cross multiply
    186,529.50x = 257,410.71 × 101,646.63
  4. Step 4: Simplify right side
    186,529.50x = 26,164,931,197.41
  5. Step 5: Solve for x
    x = 26,164,931,197.41/186,529.50
  6. Step 6: Final answer
    x = 140,272.35

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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.