Home / 162,802.30-243,875.40-109,658.20

Finding the Fourth Proportional to 162,802.30, 243,875.40 and 109,658.20

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Solution

The fourth proportional to 162,802.30, 243,875.40 and 109,658.20 is: 164,266.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,802.30 : 243,875.40 = 109,658.20 : x
  2. Step 2: Convert to fraction form
    162,802.30/243,875.40 = 109,658.20/x
  3. Step 3: Cross multiply
    162,802.30x = 243,875.40 × 109,658.20
  4. Step 4: Simplify right side
    162,802.30x = 26,742,937,388.28
  5. Step 5: Solve for x
    x = 26,742,937,388.28/162,802.30
  6. Step 6: Final answer
    x = 164,266.34

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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.