Home / 197,686.81-272,827.34-112,816.63

Finding the Fourth Proportional to 197,686.81, 272,827.34 and 112,816.63

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Solution

The fourth proportional to 197,686.81, 272,827.34 and 112,816.63 is: 155,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,686.81 : 272,827.34 = 112,816.63 : x
  2. Step 2: Convert to fraction form
    197,686.81/272,827.34 = 112,816.63/x
  3. Step 3: Cross multiply
    197,686.81x = 272,827.34 × 112,816.63
  4. Step 4: Simplify right side
    197,686.81x = 30,779,461,070.66
  5. Step 5: Solve for x
    x = 30,779,461,070.66/197,686.81
  6. Step 6: Final answer
    x = 155,698.10

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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.