Home / 211,790.16-292,275.18-116,297.28

Finding the Fourth Proportional to 211,790.16, 292,275.18 and 116,297.28

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Solution

The fourth proportional to 211,790.16, 292,275.18 and 116,297.28 is: 160,492.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,790.16 : 292,275.18 = 116,297.28 : x
  2. Step 2: Convert to fraction form
    211,790.16/292,275.18 = 116,297.28/x
  3. Step 3: Cross multiply
    211,790.16x = 292,275.18 × 116,297.28
  4. Step 4: Simplify right side
    211,790.16x = 33,990,808,445.51
  5. Step 5: Solve for x
    x = 33,990,808,445.51/211,790.16
  6. Step 6: Final answer
    x = 160,492.86

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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.