Home / 197,263.02-272,217.49-111,221.25

Finding the Fourth Proportional to 197,263.02, 272,217.49 and 111,221.25

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Solution

The fourth proportional to 197,263.02, 272,217.49 and 111,221.25 is: 153,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,263.02 : 272,217.49 = 111,221.25 : x
  2. Step 2: Convert to fraction form
    197,263.02/272,217.49 = 111,221.25/x
  3. Step 3: Cross multiply
    197,263.02x = 272,217.49 × 111,221.25
  4. Step 4: Simplify right side
    197,263.02x = 30,276,369,509.66
  5. Step 5: Solve for x
    x = 30,276,369,509.66/197,263.02
  6. Step 6: Final answer
    x = 153,482.24

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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.