Home / 111,208.08-153,465.42-63,460.20

Finding the Fourth Proportional to 111,208.08, 153,465.42 and 63,460.20

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Solution

The fourth proportional to 111,208.08, 153,465.42 and 63,460.20 is: 87,574.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,208.08 : 153,465.42 = 63,460.20 : x
  2. Step 2: Convert to fraction form
    111,208.08/153,465.42 = 63,460.20/x
  3. Step 3: Cross multiply
    111,208.08x = 153,465.42 × 63,460.20
  4. Step 4: Simplify right side
    111,208.08x = 9,738,946,246.28
  5. Step 5: Solve for x
    x = 9,738,946,246.28/111,208.08
  6. Step 6: Final answer
    x = 87,574.09

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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.