Home / 346,530.48-519,928.68-121,914.24

Finding the Fourth Proportional to 346,530.48, 519,928.68 and 121,914.24

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Solution

The fourth proportional to 346,530.48, 519,928.68 and 121,914.24 is: 182,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,530.48 : 519,928.68 = 121,914.24 : x
  2. Step 2: Convert to fraction form
    346,530.48/519,928.68 = 121,914.24/x
  3. Step 3: Cross multiply
    346,530.48x = 519,928.68 × 121,914.24
  4. Step 4: Simplify right side
    346,530.48x = 63,386,709,876.40
  5. Step 5: Solve for x
    x = 63,386,709,876.40/346,530.48
  6. Step 6: Final answer
    x = 182,918.14

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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.