Home / 197,686.94-272,827.51-112,816.76

Finding the Fourth Proportional to 197,686.94, 272,827.51 and 112,816.76

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Solution

The fourth proportional to 197,686.94, 272,827.51 and 112,816.76 is: 155,698.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,686.94 : 272,827.51 = 112,816.76 : x
  2. Step 2: Convert to fraction form
    197,686.94/272,827.51 = 112,816.76/x
  3. Step 3: Cross multiply
    197,686.94x = 272,827.51 × 112,816.76
  4. Step 4: Simplify right side
    197,686.94x = 30,779,514,070.89
  5. Step 5: Solve for x
    x = 30,779,514,070.89/197,686.94
  6. Step 6: Final answer
    x = 155,698.27

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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.