Home / 346,085.10-519,030.45-109,500.30

Finding the Fourth Proportional to 346,085.10, 519,030.45 and 109,500.30

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Solution

The fourth proportional to 346,085.10, 519,030.45 and 109,500.30 is: 164,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,085.10 : 519,030.45 = 109,500.30 : x
  2. Step 2: Convert to fraction form
    346,085.10/519,030.45 = 109,500.30/x
  3. Step 3: Cross multiply
    346,085.10x = 519,030.45 × 109,500.30
  4. Step 4: Simplify right side
    346,085.10x = 56,833,989,984.14
  5. Step 5: Solve for x
    x = 56,833,989,984.14/346,085.10
  6. Step 6: Final answer
    x = 164,219.70

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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.