Home / 346,746.30-520,219.08-144,303

Finding the Fourth Proportional to 346,746.30, 520,219.08 and 144,303

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Solution

The fourth proportional to 346,746.30, 520,219.08 and 144,303 is: 216,495.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,746.30 : 520,219.08 = 144,303 : x
  2. Step 2: Convert to fraction form
    346,746.30/520,219.08 = 144,303/x
  3. Step 3: Cross multiply
    346,746.30x = 520,219.08 × 144,303
  4. Step 4: Simplify right side
    346,746.30x = 75,069,173,901.24
  5. Step 5: Solve for x
    x = 75,069,173,901.24/346,746.30
  6. Step 6: Final answer
    x = 216,495.96

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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.