Home / 112,346.32-154,890.08-86,533.84

Finding the Fourth Proportional to 112,346.32, 154,890.08 and 86,533.84

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Solution

The fourth proportional to 112,346.32, 154,890.08 and 86,533.84 is: 119,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,346.32 : 154,890.08 = 86,533.84 : x
  2. Step 2: Convert to fraction form
    112,346.32/154,890.08 = 86,533.84/x
  3. Step 3: Cross multiply
    112,346.32x = 154,890.08 × 86,533.84
  4. Step 4: Simplify right side
    112,346.32x = 13,403,233,400.31
  5. Step 5: Solve for x
    x = 13,403,233,400.31/112,346.32
  6. Step 6: Final answer
    x = 119,302.83

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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.