Home / 197,271.13-272,211.80-116,669.25

Finding the Fourth Proportional to 197,271.13, 272,211.80 and 116,669.25

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Solution

The fourth proportional to 197,271.13, 272,211.80 and 116,669.25 is: 160,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,271.13 : 272,211.80 = 116,669.25 : x
  2. Step 2: Convert to fraction form
    197,271.13/272,211.80 = 116,669.25/x
  3. Step 3: Cross multiply
    197,271.13x = 272,211.80 × 116,669.25
  4. Step 4: Simplify right side
    197,271.13x = 31,758,746,547.15
  5. Step 5: Solve for x
    x = 31,758,746,547.15/197,271.13
  6. Step 6: Final answer
    x = 160,990.34

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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.