Home / 213,492.16-294,577.32-128,613.88

Finding the Fourth Proportional to 213,492.16, 294,577.32 and 128,613.88

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Solution

The fourth proportional to 213,492.16, 294,577.32 and 128,613.88 is: 177,461.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,492.16 : 294,577.32 = 128,613.88 : x
  2. Step 2: Convert to fraction form
    213,492.16/294,577.32 = 128,613.88/x
  3. Step 3: Cross multiply
    213,492.16x = 294,577.32 × 128,613.88
  4. Step 4: Simplify right side
    213,492.16x = 37,886,732,085.20
  5. Step 5: Solve for x
    x = 37,886,732,085.20/213,492.16
  6. Step 6: Final answer
    x = 177,461.94

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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.