Home / 142,332.04-196,192-112,069.36

Finding the Fourth Proportional to 142,332.04, 196,192 and 112,069.36

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Solution

The fourth proportional to 142,332.04, 196,192 and 112,069.36 is: 154,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,332.04 : 196,192 = 112,069.36 : x
  2. Step 2: Convert to fraction form
    142,332.04/196,192 = 112,069.36/x
  3. Step 3: Cross multiply
    142,332.04x = 196,192 × 112,069.36
  4. Step 4: Simplify right side
    142,332.04x = 21,987,111,877.12
  5. Step 5: Solve for x
    x = 21,987,111,877.12/142,332.04
  6. Step 6: Final answer
    x = 154,477.60

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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.