Home / 186,079.34-256,784.01-105,514.22

Finding the Fourth Proportional to 186,079.34, 256,784.01 and 105,514.22

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Solution

The fourth proportional to 186,079.34, 256,784.01 and 105,514.22 is: 145,606.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,079.34 : 256,784.01 = 105,514.22 : x
  2. Step 2: Convert to fraction form
    186,079.34/256,784.01 = 105,514.22/x
  3. Step 3: Cross multiply
    186,079.34x = 256,784.01 × 105,514.22
  4. Step 4: Simplify right side
    186,079.34x = 27,094,364,769.90
  5. Step 5: Solve for x
    x = 27,094,364,769.90/186,079.34
  6. Step 6: Final answer
    x = 145,606.52

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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.