Home / 213,870.43-295,110.30-118,376.90

Finding the Fourth Proportional to 213,870.43, 295,110.30 and 118,376.90

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Solution

The fourth proportional to 213,870.43, 295,110.30 and 118,376.90 is: 163,343.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,870.43 : 295,110.30 = 118,376.90 : x
  2. Step 2: Convert to fraction form
    213,870.43/295,110.30 = 118,376.90/x
  3. Step 3: Cross multiply
    213,870.43x = 295,110.30 × 118,376.90
  4. Step 4: Simplify right side
    213,870.43x = 34,934,242,547.10
  5. Step 5: Solve for x
    x = 34,934,242,547.10/213,870.43
  6. Step 6: Final answer
    x = 163,343.02

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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.