Home / 112,547.80-168,594.90-70,298.20

Finding the Fourth Proportional to 112,547.80, 168,594.90 and 70,298.20

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Solution

The fourth proportional to 112,547.80, 168,594.90 and 70,298.20 is: 105,305.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,547.80 : 168,594.90 = 70,298.20 : x
  2. Step 2: Convert to fraction form
    112,547.80/168,594.90 = 70,298.20/x
  3. Step 3: Cross multiply
    112,547.80x = 168,594.90 × 70,298.20
  4. Step 4: Simplify right side
    112,547.80x = 11,851,917,999.18
  5. Step 5: Solve for x
    x = 11,851,917,999.18/112,547.80
  6. Step 6: Final answer
    x = 105,305.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.