Home / 313,281.36-432,328.71-170,041.43

Finding the Fourth Proportional to 313,281.36, 432,328.71 and 170,041.43

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Solution

The fourth proportional to 313,281.36, 432,328.71 and 170,041.43 is: 234,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,281.36 : 432,328.71 = 170,041.43 : x
  2. Step 2: Convert to fraction form
    313,281.36/432,328.71 = 170,041.43/x
  3. Step 3: Cross multiply
    313,281.36x = 432,328.71 × 170,041.43
  4. Step 4: Simplify right side
    313,281.36x = 73,513,789,916.81
  5. Step 5: Solve for x
    x = 73,513,789,916.81/313,281.36
  6. Step 6: Final answer
    x = 234,657.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.