Home / 112,360.32-154,909.56-86,547.96

Finding the Fourth Proportional to 112,360.32, 154,909.56 and 86,547.96

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Solution

The fourth proportional to 112,360.32, 154,909.56 and 86,547.96 is: 119,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,360.32 : 154,909.56 = 86,547.96 : x
  2. Step 2: Convert to fraction form
    112,360.32/154,909.56 = 86,547.96/x
  3. Step 3: Cross multiply
    112,360.32x = 154,909.56 × 86,547.96
  4. Step 4: Simplify right side
    112,360.32x = 13,407,106,402.50
  5. Step 5: Solve for x
    x = 13,407,106,402.50/112,360.32
  6. Step 6: Final answer
    x = 119,322.43

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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.