Home / 369,724.32-554,543.64-103,506.12

Finding the Fourth Proportional to 369,724.32, 554,543.64 and 103,506.12

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Solution

The fourth proportional to 369,724.32, 554,543.64 and 103,506.12 is: 155,247.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,724.32 : 554,543.64 = 103,506.12 : x
  2. Step 2: Convert to fraction form
    369,724.32/554,543.64 = 103,506.12/x
  3. Step 3: Cross multiply
    369,724.32x = 554,543.64 × 103,506.12
  4. Step 4: Simplify right side
    369,724.32x = 57,398,660,547.08
  5. Step 5: Solve for x
    x = 57,398,660,547.08/369,724.32
  6. Step 6: Final answer
    x = 155,247.19

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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.