Home / 197,237.10-272,186.55-112,368.54

Finding the Fourth Proportional to 197,237.10, 272,186.55 and 112,368.54

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Solution

The fourth proportional to 197,237.10, 272,186.55 and 112,368.54 is: 155,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,237.10 : 272,186.55 = 112,368.54 : x
  2. Step 2: Convert to fraction form
    197,237.10/272,186.55 = 112,368.54/x
  3. Step 3: Cross multiply
    197,237.10x = 272,186.55 × 112,368.54
  4. Step 4: Simplify right side
    197,237.10x = 30,585,205,231.14
  5. Step 5: Solve for x
    x = 30,585,205,231.14/197,237.10
  6. Step 6: Final answer
    x = 155,068.22

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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.