Home / 346,826.09-520,280.84-122,140.10

Finding the Fourth Proportional to 346,826.09, 520,280.84 and 122,140.10

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Solution

The fourth proportional to 346,826.09, 520,280.84 and 122,140.10 is: 183,224.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,826.09 : 520,280.84 = 122,140.10 : x
  2. Step 2: Convert to fraction form
    346,826.09/520,280.84 = 122,140.10/x
  3. Step 3: Cross multiply
    346,826.09x = 520,280.84 × 122,140.10
  4. Step 4: Simplify right side
    346,826.09x = 63,547,155,431.74
  5. Step 5: Solve for x
    x = 63,547,155,431.74/346,826.09
  6. Step 6: Final answer
    x = 183,224.84

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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.