Home / 197,538.63-272,607.98-112,653.87

Finding the Fourth Proportional to 197,538.63, 272,607.98 and 112,653.87

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Solution

The fourth proportional to 197,538.63, 272,607.98 and 112,653.87 is: 155,465.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,538.63 : 272,607.98 = 112,653.87 : x
  2. Step 2: Convert to fraction form
    197,538.63/272,607.98 = 112,653.87/x
  3. Step 3: Cross multiply
    197,538.63x = 272,607.98 × 112,653.87
  4. Step 4: Simplify right side
    197,538.63x = 30,710,343,376.61
  5. Step 5: Solve for x
    x = 30,710,343,376.61/197,538.63
  6. Step 6: Final answer
    x = 155,465.00

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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.