Home / 346,260.07-520,303.40-186,454.15

Finding the Fourth Proportional to 346,260.07, 520,303.40 and 186,454.15

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Solution

The fourth proportional to 346,260.07, 520,303.40 and 186,454.15 is: 280,173.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,260.07 : 520,303.40 = 186,454.15 : x
  2. Step 2: Convert to fraction form
    346,260.07/520,303.40 = 186,454.15/x
  3. Step 3: Cross multiply
    346,260.07x = 520,303.40 × 186,454.15
  4. Step 4: Simplify right side
    346,260.07x = 97,012,728,189.11
  5. Step 5: Solve for x
    x = 97,012,728,189.11/346,260.07
  6. Step 6: Final answer
    x = 280,173.02

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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.