Home / 346,000.90-518,941.50-156,417.17

Finding the Fourth Proportional to 346,000.90, 518,941.50 and 156,417.17

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Solution

The fourth proportional to 346,000.90, 518,941.50 and 156,417.17 is: 234,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,000.90 : 518,941.50 = 156,417.17 : x
  2. Step 2: Convert to fraction form
    346,000.90/518,941.50 = 156,417.17/x
  3. Step 3: Cross multiply
    346,000.90x = 518,941.50 × 156,417.17
  4. Step 4: Simplify right side
    346,000.90x = 81,171,362,172.94
  5. Step 5: Solve for x
    x = 81,171,362,172.94/346,000.90
  6. Step 6: Final answer
    x = 234,598.70

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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.