Home / 154,547.28-213,280.52-86,567.16

Finding the Fourth Proportional to 154,547.28, 213,280.52 and 86,567.16

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Solution

The fourth proportional to 154,547.28, 213,280.52 and 86,567.16 is: 119,465.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,547.28 : 213,280.52 = 86,567.16 : x
  2. Step 2: Convert to fraction form
    154,547.28/213,280.52 = 86,567.16/x
  3. Step 3: Cross multiply
    154,547.28x = 213,280.52 × 86,567.16
  4. Step 4: Simplify right side
    154,547.28x = 18,463,088,899.72
  5. Step 5: Solve for x
    x = 18,463,088,899.72/154,547.28
  6. Step 6: Final answer
    x = 119,465.63

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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.