Home / 545,130.04-817,831.14-190,149.16

Finding the Fourth Proportional to 545,130.04, 817,831.14 and 190,149.16

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Solution

The fourth proportional to 545,130.04, 817,831.14 and 190,149.16 is: 285,271.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,130.04 : 817,831.14 = 190,149.16 : x
  2. Step 2: Convert to fraction form
    545,130.04/817,831.14 = 190,149.16/x
  3. Step 3: Cross multiply
    545,130.04x = 817,831.14 × 190,149.16
  4. Step 4: Simplify right side
    545,130.04x = 155,509,904,292.84
  5. Step 5: Solve for x
    x = 155,509,904,292.84/545,130.04
  6. Step 6: Final answer
    x = 285,271.21

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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.