Home / 314,817.32-434,435.04-171,574.16

Finding the Fourth Proportional to 314,817.32, 434,435.04 and 171,574.16

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Solution

The fourth proportional to 314,817.32, 434,435.04 and 171,574.16 is: 236,765.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,817.32 : 434,435.04 = 171,574.16 : x
  2. Step 2: Convert to fraction form
    314,817.32/434,435.04 = 171,574.16/x
  3. Step 3: Cross multiply
    314,817.32x = 434,435.04 × 171,574.16
  4. Step 4: Simplify right side
    314,817.32x = 74,537,827,062.57
  5. Step 5: Solve for x
    x = 74,537,827,062.57/314,817.32
  6. Step 6: Final answer
    x = 236,765.33

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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.