Home / 289,062.08-432,528.78-174,802.40

Finding the Fourth Proportional to 289,062.08, 432,528.78 and 174,802.40

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Solution

The fourth proportional to 289,062.08, 432,528.78 and 174,802.40 is: 261,559.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,062.08 : 432,528.78 = 174,802.40 : x
  2. Step 2: Convert to fraction form
    289,062.08/432,528.78 = 174,802.40/x
  3. Step 3: Cross multiply
    289,062.08x = 432,528.78 × 174,802.40
  4. Step 4: Simplify right side
    289,062.08x = 75,607,068,813.07
  5. Step 5: Solve for x
    x = 75,607,068,813.07/289,062.08
  6. Step 6: Final answer
    x = 261,559.97

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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.